Sand-wagon.



PATENTED SEPT. 13, 1904.

S. W. ALBERTSON.

SAND WAGON.

APPLICATION FILED JAN. 27, 1904.

N0 MODEL.

UNITED STATES Patented September 13, 1904 a PATENT OFFICE.

SAN D-WAGCN.

SPECIFICATION forming part of Letters Patent No. 769,977, datedSeptember 13, 1904.

Application filed January 2'7, 1904. Serial No. 190,852. (No model.)

To all whom it may concern.- V

Be it known that 1, Sims W. ALBERTSON, a citizen of the United States,residing at Roslyn, in the county of Nassau and State of New York, haveinvented a certain new and useful Improvement in Sand-Wagons, of whichthe following is a specification.

I have in a patent issued to me, dated J anuary 14, 1902, No. 690,913,set forth a combination of parts which serve well in distributing sandupon roads and in screening it in the act of loading it. I have also inthat patent set forth further means for screening whereby stones andother masses too large to serve well may be separated from the materialafter it is loaded and in the act of transporting and delivering it.

My present invention applies to the same general construction, and anyportions not herein speifically described may be understood to be as inmy aforesaid previous description.

I have devised improvements which prevent a too strong descent of thesand and avoid the liability of the sand to become arched withoutholding back the sand too much under any conditions.

I provide a peculiar agitator and oscillate or rock it. I have a row ofteeth or agitatingspikes extending along on the upper side with shorterteeth or none at all on the lower side and on the front and rear sidesof the agitator.

I provide simple means for adjusting the quantity of sand with greatnicety, for shielding the gearing from the sand, and for holding andreleasing a single screen.

The following is a description of what I consider the best means ofcarrying out the invention.

The accompanying drawings form a part of this specification.

Figure 1 is a side elevation showing all the principal parts with thepositions of the bearing-wheels shown in dotted outline. Fig. 2 is acorresponding rear elevation. Fig. 3 is a vertical section through aportion in the plane of the axis of the agitating-shaft. Fig. 4 is on alarger scale. It is a cross-section on the line 4L 4 in Fig. 3.

Similar letters of reference indicate corresponding parts in all thefigures where they appear.

A is the hopper.

W is a broad screen carried on a shaft W, extending longitudinally,supported on the elevated front and rear and capable of being inclinedto the right or left, according as it shall be required to shovel thesand upon it from one side or the other.

W is a diagonal partition set in the framing of this screen arranged todefend the mechanism carried on and near the rear hubs from receivingany of the material rejected by the screen.

W are braces hinged to the screen, always ready to be adjusted to holdthe screen properly inclined in one direction or the other, as required.

H is a shaft extending across the hopper near the base, and H H &c., arelong spikes or other projections of iron or steel set in the upper sideadapted to agitate the sand in the hopper when the shaft H is rocked. HH are shorter teeth set in the same shaft.

H is an arm fixed on the projecting end of the shaft H, engaged by acrank-pin in its end with a link L.

One of the rear wheels B carries a gearwheel B on its hub. K is agear-Wheel adapted to be turned thereby when properly engaged andcarrying a crank-pin K, which engages the link L. This Wheel turnsloosely on a center pin J, carriedin a lever J, which latter iscontrolled by the driver through a treadle M, set on a transverse shaftM, extending across the wagon at the front, and an arm M thereon, and alink M. leading therefrom to the lever J. When the driver acts with hisfoot on the treadle M and partially revolves the shaft M, be therebythrusts on the link L, inclines the lever J rearward, and engages thegears K and B and as the wagon moves forward the rotation of the wheelsrocks the shaft H and by the teeth H and H efliciently stirs the sandand insures its uniform discharge through the aperture (0 below.

P is a hand-lever pivoted to the framing of the wagon. The driver byturning thislever, and thereby pulling on the connected link Q, actsthrough an arm R to rock a shaft R, supported in hearings on the rearinclined face of the hopper.

R and R are arms set on the shaft connecting with a sliding valve T,mounted below and controlling the aperture a. The friction holds thisvalve in any position in which it may be set, and the driver soon findsin what position to set the hand-lever to get the right quantity of sandon the road, so that both sides of the road shall receive equalquantities of sand. One of the arms R is held on the shaft R by apinching-screw R which when slackened allows the arm to be shiftedaround. This makes it practicable to skew the position of the valve soas to make one side of the aperture (4 open more than the other to anyextent required.

N is a valve of sufficient area applied below the aperture a andprovided with bars N, (shown as three, extending longitudinallyrelatively to the motion,) which are supported in eyes A carried on thewagon. The valve is well supported and cannot become clogged with sandeven if it is of a bad quality and damp.

I attach importance to the alternate partial rotation of theagitating-teeth H H in opposite directions, for the reason, amongothers, that it allows the shaft to extend across in a lower positionand for the teeth H H, which extend upward, to be longer than when theshaft is completely revolved. The arrangement avoids any excessivecompacting of the sand at any point and insures a free anduniformly-graduated delivery.

Modifications may be made without departing from the principle orsacrificing the ad vantages of the invention. The bevel of the hoppermay be varied within wide limits. Instead of making the shaft H of woodand supplying the teeth H H by simply driving stout nails or spikestherein the shaft may be made of metal and the teeth cast or otherwisemade integral therewith.

Parts can be used without the whole. I can dispense with the provisionsfor skewing the valve T, taking care to adjust the parts so correctlythat the opening for the escape of the sand shall be uniform in widthfrom one side quite across the whole base of the hopper. I can addparts. Instead of connecting the arms R and R each by engaging an eye intheir ends, with a corresponding end formed in one of the bars N, I canleave the bars with plain ends and, locating the arms R and Rdifierently, connect them by separate links to the rear edge of thevalve N. in many cases be preferable.

Such may I claim as my invention- 1. In a vehicle of the characterdescribed, the combination with a hopper having a discharge-aperture andcontrolling-valve, of a shaft with agitating projections or teethmounted within it and means for rocking it alternately in oppositedirections, substantially as herein specified.

2. In a vehicle of the character described, the combination with ahopper having a discharge-aperture and controlling-valve, of a shaftwith agitating projections or teeth on its upper side, and means forturning it to a limited extent alternately in opposite directions. andprovisions by the treadle M and connections for engaging and disengagingthe rocking means at will, all substantially as herein specified.

' 3. In a vehicle of the character described, the combination with ahopper having a discharge-aperture and controlling-valve, of a shaftwith agitating projections or teeth mounted within it, and means forrocking it, and provisions by the treadle M and connections for engagingand disengaging the rocking means at will, and alsoindependentlyoperable provisions for varying the opening of thedischarging-aperture on one side or both sides, all substantially asherein specified.

4. In a vehicle of the character described, the combination with ahopper having a discharge-aperture and controlling-valve, of a shaftwith agitating projections or teeth mounted within it, and means forrocking it, and provisions by the treadle M and connections for engagingand disengaging the rocking means at will, a screen W arranged to beinclined toward either side at will and having a diagonal partition Warranged to shield the operating mec.hanism,all substantially as hereinspecified.

5. In a vehicle of the character described, the combination with ahopper having a discharge-aperture and controlling-valve, of a shaftwith agitating projections or teeth mounted within it, and means forrocking it, and provisions by the treadle M and connections for engagingand disengaging the rocking means at will, a screen W arranged to beinclined toward either side at will and having a diagonal partition Wand a hinged brace W adapted to serve substantially as herein specified.

In testimony that I claim the invention above set forth I affix mysignature in presence of two witnesses.

SILAS w. A LBERTsoN.

Witnesses:

S. H. STODDER, M. F. BOYLE.

